As listing titles found everywhere mean nothing, we will list here the proofs we have about every unreleased games. Proof could be as tiny as a simple screenshot and some text in magazines, and as big as a released made by the community.
WIP list in form of TITLE - PROOFS we have
- Arms Race - Ads on European Gremlin Flyer
- Battlesport JPN - Promotional shelf card made + serial number given
- Blood Omen: Legacy of Kain [Crystal Dynamics] - Ads made with the Sega Saturn Logo, Preview in Next Generation magazine. It was 100% complete but no publisher found as the Saturn market was considered as risky.
- Chill - Game released
- Clockwork Knight Penguin Assault JPN - Beta released
- Colliderz - Some footages exist, but could be for the PSX or the Saturn version, both have been cancelled
- Comix Zone - Concept art only
- Croc II USA - Ad on the back cover of Croc USA manual
- Dark Sun - Shattered Lands USA (AD&D) - Ad on the back cover of Creature Shock Special Edition USA manual
- Deadly Skies [JVC - FunCom] - Preview in Next Generation magazine
- Deep Fear USA - Game released
- Dungeon Keeper - Ads on European Flyers
- Fake Down JPN [System Sacom] - Preview video on a released Japanese demo disc
- Fighting Force (Judgement Force - Metal Fist) - Beta released
- Fighting Force (Judgement Force - Metal Fist) - Non-playable demo on a released European demo disc + Complete game given for review to UK Magazine + Preview in SSM Magazine
- Final Arch (Baseball - WIP title) [Sega] - Preview in Next Generation magazine
- Free Runner USA - WIP front covers in magazines
- Heart of Darkness [Amazin Studio - Virgin] - Preview in Next Generation magazine
- Iron a Blood - Warriors of Ravenloft EUR (AD&D) - Ads on Acclaim Flyers
- Iron a Blood - Warriors of Ravenloft USA (AD&D) - Ad on the back cover of Impact Racing USA manual
- Jewels of the Oracle USA - Promotional shelf card made
- Krazy Ivan USA - Promotional shelf card made
- Kyu-Bakukku JPN - Press information + serial number given, release scheduled for 1996/12/06.
- Madden NFL '96 [EA] - Preview in Next Generation magazine
- Magic The Gathering - Battlemage - Ads on Acclaim Flyers
- Major Damage [Capcom] - Beta released
- Millenium Fire - Preview video on a released Japanese demo disc
- Monica no Shiro JPN (previous title: Faradoon ~The Legend of Dragon Castle~) [Pioneer LDC] - Promotional flyer and VHS made
- Monster Maker: Holy Dagger JPN - multiple previews in Japanese magazines (multiple pages)
- Ninja EUR - Ads on Eidos Flyer - Preview in Next Generation magazine
- Obelisk ~Project Oscar wo Suikou seyo~ JPN - Press information + serial number given, release scheduled for 1997/03/07.
- Olympic Summer Games USA [US Gold] - Promotional shelf card made
- Rebellion - Beta released
- Reloaded EUR - Playable demo on a released European demo disc
- Return Fire EUR - Game released
- S.T.O.R.M. [American Softworks - Virtual Studio] - Preview in Next Generation magazine
- Scorcher JPN - Promotional shelf card made + serial number given
- Shadoan USA - WIP front covers in magazines
- Shenmue - Footage found in Shenmue 2 for DC + game mentioned in interviews
- Shredfest [EA] - Preview in Next Generation magazine
- Sonic Xtreme - beta released, not really playable, only some sort of concept
- Swagman USA - Promotional cardboard box
- Tennis Arena EUR - Beta released
- Viewpoint - Ads on European Flyers
- Virtua Fighter 3 - Mentioned in magazines, no other proof for now
- Wärrz JPN [Shouei System] - Promotional flyer made
- Waterworld [Ocean] - Completed copy in the hands of its creator, the former Ocean of America's programmer Steve Woita
- Werewolf - The Apocalypse [Capcom] - Beta released
- Wild 9 [Shiny Entertainment] - Ads in Next Generation magazine
- X2 JPN [Capcom] - Promotional shelf card made + serial number given
Rumored Title (without any concrete proof)
- Biohazard Special HK version - A few talks here and there on the Internet about it. We need to find more information and pictures.
- Biohazard 2 WIP Special HK version - A few talks here and there on the Internet about it. We need to find more information and pictures.
- Bubsy 3D - As stated on the Accolate website in 1996-1997.
- Eternal Champions 3 - Rumor
- Heracles no Daibouken JPN - Only title mentioned in some Japanese magazins
- NHL Powerplay 98 - Cover Art floating on the Internet
- Policenauts USA - Probably need to be put on the 1st list but we need some proofs that we don't have now. Please submot some

- Psychic Force - Only title mentioned in some Japanese magazins
- Rent-a-Hero - Rumor
Please continue the list
I don't remember the title of the game own by 2 saturn collectors, never released, and based on a NES game.
Every title may have its own topic here with all the proof collected so far. It could be a great way to have all the stuff in the same place. I will let you make them
